Question about Texas Instruments TI-86 Calculator

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I just changed the batteries and the screen is black when i turn it on if its in direct light i can see what i am typing..

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  • kakima May 11, 2010

    Turn the calculator on. Press and release the 2ND key. Press and hold the down-arrow key for a few seconds and see if teh screen lightens. Does it?


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I had the same problem as this. This is because when you might have changed the contrast on your calculator when your old batteries were running low and you need to reset the contrast. Here is what you do:

press the orange "2nd" button, then press the "down arrow" button, then the orange "2nd" button, then the "down arrow". do not press the buttons at the same time only one after the other and KEEP GOING. The screen will eventually lighten up and you are all set.

Posted on Jun 14, 2010

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Thats what mine is doing! and no its not teh contrast someone help me!

Posted on Jun 04, 2010

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Having gone over a month without a response, I assume this is no longer a problem.

Posted on May 28, 2010

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